Revolving ore-tank.



No. 876,539. PATENTED JAN. 14, 1908.

A. J. GARVERF REVOLVING om: TANK.

APPLICATION FILED JAN.10. 1907.

3 SHEETS-SHEET K.

. lNVENTOfi W/TNESSES Mao ATTORNEYS THE muzms PETERS cm, WASHINGTON, ac

No. 876,539. PATENTED JAN.14, 1908.

'A.'J. GARVER.

REVOLVING ORE TANK.

APPLICATION FILED J AN.10. 1907.

SSHEBTS-BHEET 2.

WITNESSES /NVENTOH A TTORNE Y8 "m: NORRIS PETERS co. wAsHma'rdN. n. c.

s $HEETS-SHEBT INVENTUH J? lie/v f azwer A TTORNEYS REVOLVING ORE TANKAPPLICATION FILED JAN. 10 1007.

W/TNESSES fiG W rm: NORRIS PETERS 50.. WASHINGTON, n. c.

UNITED STATES PATENT OFFICE.

ALLEN .l. GARVER, OF CLARKSTON, WASHINGTON, ASSIGNOR TO HIMSELF ANDJONATHAN MCASSEY, OF OLARKSTON, WASHINGTON.

REVOLVING ORE-TANK.

Specification of Letters Patent.

Patented Jan. 14, 1908.

Application filed n y 10. 1907. Serial No. 351-669.

" citizen of the United States, and a resident of Clarkston, in thecounty of Asotin and State of lVashington, have invented a new andImproved Revolving OreTank, of which the following 1s a full, clear, andexact description.

My invention relates to apparatus for working ores and more particularlyto an arrangement for bringing the comminuted and roasted ore-intothorough contact with a hot solution, as a step incidental to theextraction of metals from their ores.

Reference is to be had to the accompanying drawings forming a part ofthis specification, in which similar characters of reference indicatecorresponding parts in all the figures.

Figure 1 is a side elevation partly in section, showing my revolving oretank as connected with the revolving ore roaster described in my pendingapplication, Serial No. 327,852, the revolving ore tank being furtherconnected with means for supplying it with solution and for enabling theore tank to discharge ores and solution into a separate receptacle; Fig.2 is an enlarged central section through the revolving ore tank showingparticularly the manner in which the solution is caused to flow into andout of the tank while the latter is revolving; Fig. 3 is a fragmentaryvertical section upon the line 33 of Fig. 2, looking in the direction ofthe arrow, and

, showing the arrangement of the radially dis-v posed revolvin spouts57; Fig. 4 is a vertical section upon t 1e line 44 of Fig. 2 looking inthe direction of the arrow, and showing the manner in which the radiallydisposed spouts 57 are mounted in position Fig. 5 is a vertical sectionupon the line 55 of Fig. 2, looking in the direction of the arrow andshowing the spouts 57 and their mountings; Fig. 6 is a fragmentarydetail showing in section, a conveyer screw 68 for forcing the roastedore downwardly into the ore tank; and Fi 7 is a fragmentary horizontalsection upon t 1e line 7 7 of Fig. 2, showing the admission inlet of theore tank.

An oven is shown at 7 and is provided with annular members 8 each of awidth representing the thickness of the oven wall. Brackets 9 areprovided with anti-friction rollers 10 which support a revolublecylinder 11, the latter extending through and being concentric with theannular members 8; in

1 other words, the cylinder 11 extends directly through the oven. Thecylinder 11 terminates in bearing-rings 12, 13, integral there- I with,and mounted upon the ring 13 is a l sprocket-disk 14 through whichpasses an inlet chute 15 for the purpose of discharging ore into thecylinder 1 1. The opposite end of the cylinder is closed by a disk 18provided with an annular flange 1 6, this flange being connected bybolts 17 with the bearing ring 12 so as to be readily detachabletherefrom. The disk 18 is provided With discharge openings 19.

The cylinder 11 is provided with a fireproof I lining 20, and a hood 21,the latter being connected by a pipe 22 with an acid chamber 23,

the latter being connected with a receptacle 24 by apipe 25. The acidchamber 23 is used in connection with the receptacle 24 for makingsulfuric acid solution in case sulfurous ores are roasted in thecylinder or roaster 11, and may also be used for collecting any volatilesubstances driven off from the material being roasted in the cylinder11.

A platform 26 supports the acid chamber 23 and receptacle 24, thisplatform resting upon standards 27 which are in turn supported by walls28, 29. Brackets 30, 31 are supported by these walls, and revolublymounted upon the brackets are rollers 32 which support a revolublecylinder 33. This cylinder at its ends is provided with annularbearing-rings 34, 35 integral therewith, these rings resting on therollers 32.

The bearing ring 35 is closed by a disk 36 having a sprocket form asindicated 'more particularly in Figs. 1 and 2. This disk is held inposition by bolts 37 which pass through it and into the bearing ring 35.The

cylinder 33 is provided internally with ribs 38, each having the form ofa spiral blade and projecting radially inward. The walls 28, 29, arepreferably thickened at their bases 39so l as to give the structureproper stability. A l neck 40 separate from the disk 36 extends throughthe same and is provided with a flange 41. A'disk 42 is connected withthis neck 40 by-means of bolts 43, in such manner that the rotation ofthe cylinder 33 does not disturb the position of the neck 40, flange 41or disk 42, these parts being connected rigidly together. A pipe 44makes a union 45 with a pipe 47, the union 45 being of annular form andintegral with these pipes. The bolts 43 pass through this union and thussecure the neck 40 and its accompanying parts rigidly in relation to thepipes 44 and 47, which connect with a central opening in the neck 40. Asolution tank is shown at 48, and is connected directly with the upperend of the pipe 47.

The other end of the cylinder 33 is closed by a disk 49, held thereuponby bolts 50 and provided with a cylindrical flange. An aperture 51coinciding with the inner surface of the flange 51 is used fordischarging materials from the cylinder 33. The cylinder 33 is supportedout of engagement with the walls 28, 29 and the latter are provided withshields 52 which are bent into substantially semicircular form andpartially encircle the cylinder 33. Anchor bolts 53 are used for thepurpose of securing the brackets 30, 31, rigidly in position.

The cylinder 33 is provided internally with leaves 54 integraltherewith, each leaf being provided with a bevel 55 and a supportingportion 56 integral therewith and serving as a brace (see Figs. 4 and5). A number of spouts 57 which are of the shape indicated in Figs. 4and 5 are each provided with a portion 58', the latter being secureddirectly to one of the leaves 54. These spouts have their openings soarranged as to radiate upwardly and being connected rigidly with theleaves, they turn whenever the cylinder 33 is rotated.

The settling tank is shown at 59 and, is surmounted by a spider 60. Thebracket 31 is provided with a branch 61 ending in a ring 62. A funnel 63is provided with an annular portion 63 which fits, substantiallywatertight, over the cylindrical flange 51 but is not rigidly connectedthereto, the arrangement being such that the rotation of the flange 51shall not interfere with the funnel. A water jacket 64 encircles thefunnel 63 and is con nected thereto by aid of a spider 65. Connectedwith this water jacket 64, is a water pipe 64. The purpose of the waterjacket is to cool the solution and the ore as the latter is dischargedfrom the cylinder 33. A pipe 67 is connected with the lower portion ofthe hood 21 and is also connected with a head 66. A screw conveyer 68 isrevolubly mounted. within the pipe 44 and is provided with a stem 69,the latter being connected with a sprocket wheel 70 whereby the screwconveyer 68 may be rotated.

Theoperation of my device is as follows: The solution tank 48 is filledwith a solution for extracting metals from the ores, and the ores arefed through the chute 15 into the revoluble cylinder 11, which beingheated externally by the oven 7, roasts the ore. The sulfur fumes orother volatile substances are driven off by the heat and pass throughthe pipe 22 into the acid chamber 23, this part of the operation beingsubstantially the same as described in my pending application abovementioned, The ore, before passing into the chute 15, is comminuted to aproper consistency. The ore now passes, downwardly through the pipe 67,and power being applied to the screw conveyer 68 by aid of the sprocketwheel 70, the ore is forced through the pipe 44 down into the revolubleore tank 33. The solution from the tank 48 being supplied through thepipe 47, the ore and solution are brought into contact within theaperture 46 in the neck 40 (see Fig. 7) and lodged within the cylinderand the latter being now turned by means of the sprocket disk 36,- theroasted ore and the solution are thoroughly commingled and brought intothe most minute contact. The precious metals, including gold and silver,are not the only ones which can be extracted, though in most instances Iuse the apparatus pith them. Naturally more or less steam arises nithinthe cylinder 33, especially as the action of the solution upon the oretends to produce heat. 'l he funnel 63 and water jacket 64 i-iiervehowever as a condenser, and the solution is dis charged in liquid forminto the settling tank 59. That is to say, the revolving ore tank maycontain steam or other vapors generated either by chemical action withinthe ore tank or by heating the materials before they reach the ore tank,and it is desirable that these vapors be 'condensed. Hence, the waterjacket 64, by constantly coding the funnel 63, causes the vapors to becondensed. so that only liquids are discharged.

It will be understood that when anydeli nite part of a volume of vaporis cooled so that condensation results, the rest of the vapor tends toflow toward the point of condensation, by the *ellknown phenomenon ofdiffusion.

The ore thoroughly admixed with the solution as above described, isthorougl'ily agitated within the cylinder and is carried along by theblades 38, the latter raising quantities of the ore and the solution,and. allowing these quantities to slide back repeatedly, to the bottomof the cylinder. Upon reaching the end of the cylinder indicated at theright of Fig. 2, the spouts 57 dip up quantities of ore admixed less ofthe solution, and as the cylinder rotates, this ore and solution uponarriving at a point above the flange 51, slide downwardly and pass outthrough the aperture 51 into the funnel 63. The bevels 55 (see Fig. 5)facilitate the driving of both the comminuted ore and the solution fromthe leaves 54, into the spouts 57, as may be seen from Fig. 5. Thesematerials, while guided by the leaves 54 can enter freely into thespouts 57, the bevels 55 permitting free ingress and tending to avoidthe choking of the spouts. In this way, the ore is retained within therevoluble cylinder 33 for an appropriate length of time to permit ofthorough extraction of the metwith more or als, and is then dischargedcontinuously and uniformly without danger of clogging any part of theapparatus.

Having thus described my invention I claim as new and desire to secureby Letters Patent:

1. The combination of a revoluble ore tank provided with a disk, a pipeconnected with said disk and adapted to discharge comminuted ores intosaid tank, said pipe being so connected with said disk as to permit therotation thereof while said ore is being discharged thereinto, a secondpipe connected with said disk so as to permit the rotation of saidcylinder, said second pipe being adapted to discharge a solution intosaid cylinder, said pipes being connected directly together at a pointimmediately adjacent to said disk, and means for discharging from saidcylinder an admixture of ore and solution.

2. The combination of a revoluble cylinder provided with means wherebyit may be actuated, means for feeding ores and a solution into saidcylinder while in motion, spouts mounted Within said cylinder andrevoluble therewith, for the purpose of discharging ores and solutiontherefrom, and an outlet member communicating with said spouts forreceiving materials discharged therefrom.

3. The combination of a revolving tank, means for feeding thereintoquantities of ore and a solution for acting upon said ore, and acondenser connected substantially steamtight with said cylinder, for thepurpose of condensing the vapors from said solution.

4. The combination of a roaster, a revoluble ore tank, means for turningsaid tank, and a steam pipe connection from said roaster to said oretank.

5. The combination of a revoluble cylinder, means for continuouslyfeeding a solution thereinto, mechanism for feeding ores into saidcylinder, a stationary discharge member connected with said cylinder forpermitting egress therefrom of said ores and said solution, while saidcylinder is in action, and a condenser connected with said stationarydischarge member.

6. The combination of a revoluble cylinder provided internally withmembers projecting radially inward and provided with bevels, and aplurality of radially disposed spouts inclined obliquely toward eachother and co-acting with said radially disposed members for guiding theflow of material from said cylinder.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing Witnesses.

ALLEN J. GARVER.

Witnesses:

FRANK E. BROWN, S. ADAMS.

